Category: Rajasthan Geography

A recent news article published in the Hindu & Times of India, highlights a a study conducted by researchers at the Duke University in North Carolina, United States, and the Central Groundwater Board of India. The report raises concerns over presence of high uranium levels in their groundwater of State of Rajasthan along with 16 other north-western states including Punjab, Haryana etc. The Problem: Uranium levels in 75 out of 226 wells Continue Reading

In Rajasthan Budget 2018. the Chief Minister has announced several schemes to the tune to Rs 52,000 crore, including development of the Eastern Rajasthan Canal Project (ERCP) at cost of Rs 37,500 crore (1). The detailed project report for the ERCP has been sent to the Centre and Central Water Commission (CWC) has already approved its working. Background of Eastern Rajasthan Canal Project: ERCP The surface water of Rajasthan has been divided into Continue Reading

Seismic Zones & Earthquake Hazard in Rajasthan According to GSHAP data, the state of Rajasthan falls in a region of moderate to high seismic hazard. As per the 2002 Bureau of Indian Standards (BIS) map, Rajasthan falls in Zones II, III & IV. Historically, parts of this state have experienced seismic activity in the M 5.0 range. Classification of districts of Rajasthan according to seismic zones: S. No. Seismic Zone Continue Reading

Rajasthan forms north-western part of the Indian Shield. The State exposes a variety of lithological and tectonic units ranging in age from Archaean to Recent times. Before going into details of Geology of Rajasthan, let us first see, geology time in general to make sense of terms in geology. Note: Age of rocks is given in million years age (Ma). 1 Ma = 10,00,000 years old. One Giga = one thousand Continue Reading

Rajasthan has a tradition of building, and maintaining rainwater harvesting (RWH) structures such as johad, kuis, and kunds. Traditionally, these structures supported life in this water stressed region, and were well supported in turn by a system of community ownership. Excessive reliance on government run systems has led to the gradual neglect of these structures and disintegration of the entire support mechanism. The relevance of RWH in addressing today’s water Continue Reading